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linux-arkmicro
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gw_ventana
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common.h

common.h 2.5 KB
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  1. /* SPDX-License-Identifier: GPL-2.0+ */
    2. 

  2. /*
    3. 

  3.  * Copyright (C) 2013 Gateworks Corporation
    4. 

  4.  *
    5. 

  5.  * Author: Tim Harvey <tharvey@gateworks.com>
    6. 

  6.  */
    7. 

  7. 

  8. #ifndef _GWVENTANA_COMMON_H_
    9. 

  9. #define _GWVENTANA_COMMON_H_
    10. 

  10. 

  11. #include "ventana_eeprom.h"
    12. 

  12. 

  13. /* GPIO's common to all baseboards */
    14. 

  14. #define GP_PHY_RST	IMX_GPIO_NR(1, 30)
    15. 

  15. #define GP_RS232_EN	IMX_GPIO_NR(2, 11)
    16. 

  16. #define GP_MSATA_SEL	IMX_GPIO_NR(2, 8)
    17. 

  17. 

  18. #define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
    19. 

  19. 	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
    20. 

  20. 	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
    21. 

  21. 

  22. #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |		\
    23. 

  23. 	PAD_CTL_PUS_47K_UP  | PAD_CTL_SPEED_LOW |		\
    24. 

  24. 	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
    25. 

  25. 

  26. #define ENET_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
    27. 

  27. 	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED	  |		\
    28. 

  28. 	PAD_CTL_DSE_40ohm   | PAD_CTL_HYS)
    29. 

  29. 

  30. #define SPI_PAD_CTRL (PAD_CTL_HYS |				\
    31. 

  31. 	PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED |		\
    32. 

  32. 	PAD_CTL_DSE_40ohm     | PAD_CTL_SRE_FAST)
    33. 

  33. 

  34. #define I2C_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
    35. 

  35. 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |	\
    36. 

  36. 	PAD_CTL_ODE | PAD_CTL_SRE_FAST)
    37. 

  37. 

  38. #define IRQ_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
    39. 

  39. 	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
    40. 

  40. 	PAD_CTL_DSE_34ohm | PAD_CTL_HYS | PAD_CTL_SRE_FAST)
    41. 

  41. 

  42. #define DIO_PAD_CFG   (MUX_PAD_CTRL(IRQ_PAD_CTRL) | MUX_MODE_SION)
    43. 

  43. 

  44. #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
    45. 

  45. 

  46. /*
    47. 

  47.  * each baseboard has an optional set user configurable Digital IO lines which
    48. 

  48.  * can be pinmuxed as a GPIO or in some cases a PWM
    49. 

  49.  */
    50. 

  50. struct dio_cfg {
    51. 

  51. 	iomux_v3_cfg_t gpio_padmux[2];
    52. 

  52. 	unsigned gpio_param;
    53. 

  53. 	iomux_v3_cfg_t pwm_padmux[2];
    54. 

  54. 	unsigned pwm_param;
    55. 

  55. };
    56. 

  56. 

  57. struct ventana {
    58. 

  58. 	/* pinmux */
    59. 

  59. 	iomux_v3_cfg_t const *gpio_pads;
    60. 

  60. 	int num_pads;
    61. 

  61. 	/* DIO pinmux/val */
    62. 

  62. 	struct dio_cfg *dio_cfg;
    63. 

  63. 	int dio_num;
    64. 

  64. 	/* various gpios (0 if non-existent) */
    65. 

  65. 	int leds[3];
    66. 

  66. 	int pcie_rst;
    67. 

  67. 	int mezz_pwren;
    68. 

  68. 	int mezz_irq;
    69. 

  69. 	int rs485en;
    70. 

  70. 	int gps_shdn;
    71. 

  71. 	int vidin_en;
    72. 

  72. 	int dioi2c_en;
    73. 

  73. 	int pcie_sson;
    74. 

  74. 	int usb_sel;
    75. 

  75. 	int wdis;
    76. 

  76. 	int msata_en;
    77. 

  77. 	int rs232_en;
    78. 

  78. 	int otgpwr_en;
    79. 

  79. 	int vsel_pin;
    80. 

  80. 	int mmc_cd;
    81. 

  81. 	/* various features */
    82. 

  82. 	bool usd_vsel;
    83. 

  83. };
    84. 

  84. 

  85. extern struct ventana gpio_cfg[GW_UNKNOWN];
    86. 

  86. 

  87. /* configure i2c iomux */
    88. 

  88. void setup_ventana_i2c(void);
    89. 

  89. /* configure uart iomux */
    90. 

  90. void setup_iomux_uart(void);
    91. 

  91. /* conifgure PMIC */
    92. 

  92. void setup_pmic(void);
    93. 

  93. /* configure gpio iomux/defaults */
    94. 

  94. void setup_iomux_gpio(int board, struct ventana_board_info *);
    95. 

  95. /* late setup of GPIO (configuration per baseboard and env) */
    96. 

  96. void setup_board_gpio(int board, struct ventana_board_info *);
    97. 

  97. 

  98. #endif /* #ifndef _GWVENTANA_COMMON_H_ */
    99.